Thursday 8 January 2026
WPH11/01A
Paper
Afternoon (Time: 1 hour 30 minutes)
reference
Physics
International Advanced Subsidiary/Advanced Level
UNIT 1: Mechanics and Materials Mark Scheme (Results)
Question Paper
You must have:
January 2026
Scientific calculator, ruler and answer book (sent separately)
Do not return this question paper with the answer book.
Information
• The list of data, formulae and relationships is printed at the end of this booklet.
Pearson Edexcel International Advanced Subsidiary level
In Physics
Mechanics and Materials
WPH11/01A
Turn over
P87631APearson Education Ltd.
C:1/1/1/1/
*P87631A*
, Edexcel and BTEC Qualifications
SECTION A
Answer ALL questions.
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest
For questions 1–10, in Section A, select one answer from A to D and put a cross in the box . If you awarding body. We provide a wide range of qualifications including
change your mind, put a line through the box and then mark your new answer with a cross . academic, vocational, occupational and specific progra .
Fo ion visit our qualifications websites at
1 Which of the following is a scalar quantity? or . Alternatively
d ct us page at
A force
B momentum
C velocity
Pearson: helping people progress, everywhere
D work Pearson aspires to be the world’s leading learning company. Our aim is to help
everyone progress in their lives through education. We believe in every kind of
(Total for Question 1 = 1 mark)
learning, for all kinds of people, wherever they are in the world. We’ve been
involved in education for over 150 years, and by working across 70 countries, in 100
2 Two forces, X and Y, act at a point.
languages, we have built an international reputation for our commitment to high
Which of the following vector diagrams shows the magnitude and direction of the standards and raising achievement through innovation in education. Find out more
resultant of the two forces?
about how we can help you and your students at:
X X
Y resultant force Y resultant force
A B
X X
Y Y
resultant force resultant force
C D
(Total for Question 2 = 1 mark)
January 2026
Question Paper Log Number P87631A
Publication Code WPH11_01A_2601
the material in this publication is
Pearson Education Ltd
2 P87631A
, General Marking Guidance
3 A copper rod was placed under tensile stress and the tensile strain in the rod
• All candidates must receive the same treatment. Examiners must mark the first
was measured.
candidate in exactly the same way as they mark the last.
The graph shows how the tensile stress required to cause a tensile strain in the rod
depends upon the tensile strain. • Mark schemes should be applied positively. Candidates must be rewarded for
what they have shown they can do rather than penalised for omissions.
Tensile
stress • Examiners should mark according to the mark scheme not according to their
perception of where the grade boundaries may lie.
• There is no ceiling on achievement. All marks on the mark scheme should be
X
used appropriately.
• All the marks on the mark scheme are designed to be awarded. Examiners
should always award full marks if deserved, i.e. if the answer matches the mark
scheme. Examiners should also be prepared to award zero marks if the
candidate’s response is not worthy of credit according to the mark scheme.
• Where some judgement is required, mark schemes will provide the principles by
which marks will be awarded and exemplification may be limited.
Tensile strain
• When examiners are in doubt regarding the application of the mark scheme to a
What does point X represent? candidate’s response, the team leader must be consulted.
A the fracture point of the rod • Crossed out work should be marked UNLESS the candidate has replaced it with
an alternative response.
B the limit of proportionality for copper
C the maximum tensile strength in the rod
D the yield point of copper
(Total for Question 3 = 1 mark)
4 A tractor pulls a trailer a distance s in time t. The useful power output of the tractor is P.
Which of the following equations gives the force F of the tractor on the trailer?
A F = Pts
Pt
B F=
s
Ps
C F=
t
st
D F=
P
(Total for Question 4 = 1 mark)
P87631A 3
Turn over
, Question
Answer Mark
Number
5 A cylinder of aluminium has a weight of 35.0 N and a volume of 1.32 × 10−3 m3. Which of the following is a scalar quantity?
1 The only correct answer is D (work) 1
−3
Which of the following calculations gives the density of aluminium in kg m ?
A is incorrect because force is a vector
B is incorrect because momentum is a vector
A C is incorrect because velocity is a vector
Two forces, X and Y, act at a point.
Which of the following vector diagrams shows the magnitude and
B
direction of the resultant of the two forces?
2 The only correct answer is C (vectors X and Y drawn tip-to-tail and resultant 1
force vector drawn in direction from start of X to end of Y)
35.0
C
9.81
A is incorrect because the vectors have not been added
B is incorrect because the vectors have not been added
35.0 9.81 D is incorrect because the resultant is in the wrong direction
D
A copper rod was placed under
(Total for Question 5 = 1 mark) tensile stress and the tensile
strain in the rod was measured.
6 An object on the Moon falls a vertical distance of 0.32 m, from rest, in a time of 0.63 s. The graph shows how the
tensile stress required to cause
Which of the following expressions gives the acceleration due to gravity on the Moon
a tensile strain in the rod
in m s−2?
depends upon the tensile
strain.
0.32
A
2 × 0.63 What does point X represent?
0.32 3 The only correct answer is D (the yield point of copper) 1
B
2 × 0.632 A is incorrect because the fracture point is at the extreme end of the graph
B is incorrect because proportionality ends before point X is reached
2 × 0.32 C is incorrect because point X is not the highest point reached by the graph
C
0.632
A tractor pulls a trailer a distance s in time t. The useful power output
of the tractor is P.
2 × 0.32
D Which of the following equations gives the force F of the tractor on
0.63 the trailer?
4 The only correct answer is B �𝐹𝐹 =
𝑃𝑃𝑃𝑃
� 1
(Total for Question 6 = 1 mark) 𝑠𝑠
A is incorrect because it gives units of J m ≠ N
C is incorrect because it gives units of W m s−1 ≠ N
D is incorrect because it gives units of m s W−1 ≠ N
A cylinder of aluminium has a weight of 35.0 N and a volume of 1.32 ×
10−3 m3.
Which of the following calculations gives the density of aluminium in
kg m−3 ?
5 35.0
The only correct answer is C �9.81×1.32×10−3 � 1
A is incorrect because it gives units of m3 kg−1
B is incorrect because it gives units of m3 kg N−2
D is incorrect because it gives units of N2 kg−1 m−3
4 P87631A